diff --git a/x/cdp/keeper/deposit.go b/x/cdp/keeper/deposit.go
index 955f2302..38b8dd85 100644
--- a/x/cdp/keeper/deposit.go
+++ b/x/cdp/keeper/deposit.go
@@ -47,7 +47,7 @@ func (k Keeper) DepositCollateral(ctx sdk.Context, owner sdk.AccAddress, deposit
 	cdp.AccumulatedFees = cdp.AccumulatedFees.Add(fees)
 	cdp.FeesUpdated = ctx.BlockTime()
 	cdp.Collateral = cdp.Collateral.Add(collateral)
-	collateralToDebtRatio := k.CalculateCollateralToDebtRatio(ctx, collateral, cdp.Principal.Add(cdp.AccumulatedFees))
+	collateralToDebtRatio := k.CalculateCollateralToDebtRatio(ctx, cdp.Collateral, cdp.Principal.Add(cdp.AccumulatedFees))
 	k.SetCdpAndCollateralRatioIndex(ctx, cdp, collateralToDebtRatio)
 	return nil
 }